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Finding the Third Proportional to 51,517.75 and 109,839.75

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Solution

The third proportional to 51,517.75 and 109,839.75 is: 234,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.75 : 109,839.75 = 109,839.75 : x
  2. Step 2: Convert to fraction form
    51,517.75/109,839.75 = 109,839.75/x
  3. Step 3: Cross multiply
    51,517.75x = 109,839.75 × 109,839.75
  4. Step 4: Simplify right side
    51,517.75x = 12,064,770,680.06
  5. Step 5: Solve for x
    x = 12,064,770,680.06/51,517.75
  6. Step 6: Final answer
    x = 234,186.68

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.